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Finding the Fourth Proportional to 495,054.68, 742,463.09 and 228,559.28

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Solution

The fourth proportional to 495,054.68, 742,463.09 and 228,559.28 is: 342,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,054.68 : 742,463.09 = 228,559.28 : x
  2. Step 2: Convert to fraction form
    495,054.68/742,463.09 = 228,559.28/x
  3. Step 3: Cross multiply
    495,054.68x = 742,463.09 × 228,559.28
  4. Step 4: Simplify right side
    495,054.68x = 169,696,828,134.18
  5. Step 5: Solve for x
    x = 169,696,828,134.18/495,054.68
  6. Step 6: Final answer
    x = 342,784.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.